Deep-well-pump-lubrication system



\./. SCHLEYEH.

DEEP WELL PUMP LUB'BICATION SYSTEM APPLlcA-Twu FILED 001.30, 1920.

@227B PatentedSept. 27p 1921.

www

UNITED STATES PATENT OFFICE.

VICTOR SCHLEYER, 0F ANDERSON, INDIANA, ASSIGNOR TO MIDWEST ENGINE COM- PANY, OF INDIANAPOLIS, INDIANA, A CORPORATION 0F INDIANA,

DEEP-WELIPPUMP-LUBRICATION SYSTEM.

Specification of ILetters Patent.

Patented Sept. 27', i921,

Application led Gctober 30, 1920. Seria. No. 420,694.

To all 'whom t may concern.'

Be it known that I, VICTOR SoHLEYEn, a citizen of the United States, residing at Anderson, in the county of Madison and State of Indiana, have invented a new and useful Deep Well- Pump Lubrication System, of which the following is a specification.

It is the object of my invention to provide an effective lubricating system for deep- Well pumps, wherein the bearings of the pump and its shaft may be well lubricated, and the lubricant kept from mixing with the water of the well save for the relatively small amount which may leak out through the pump bearings. l

The accompanying drawing illustrates my invention: The single figure of such drawing is a vertical central` sectionthrough a deep-well pump embodying my invention, with the intermediate part entlrely broken away, and only a fragment of the upper part shown.

The pump casing 10 has a bottom inlet 11 and a top discharge 12, which latter opens to a discharge pipe 13 which leads upward throu h the well to a discharge fitting 14. lWithin the pump casing 10 1s a runner 15, of any convenient typewthe pump being shown as having konly a single runner though obviously it may have any de sired number of runners. The pump runner (or runners) is mounted on a vertical shaft 16, which extends up axially through the pipes 12 and 13 and is driven in any suitable manner by driving means at the top. Above the runner 15 the .shaft 16 is provided with two bea-rings 17 and 1S, the former being carried by the pump casing 10 and the bearing 18 being supported on an annular flange 19 of the bearing 17. The bearing 18 has an annular foot 2O which is bolted to the flange 19, and which extends inward beyond such iange 19 to provide an inwardly projecting portion to which a separator plate 21 is bolted.v suitable gland Q2 in the plate 21 surrounds the shaft 16 or a. bushing thereon in the plate 21. Thus the plate 2K1 provides a space .23 below it and between it and the upper end of thebearing 17, and. space 2li above it and between it and the bearing 18. t runner 25 of a. lubricant pump fixed on the shaft i@ in 'the space il and has its intakeopening upwai ie i wer end of the bearing it? centrifugai outiet discharging into return pipe 32,

a discharge chamber 26 in the footing 20. A series of lubricantconducting pipes 27' surrounding the shaft 16 extends upward from the upper end of the bearing 1S, thus providing an inner lubricant-conducting passageway and an outer water-conducting passageway. Suitable. bearings Q8 may be located at intermediate points along the pipes 27, and supported in any convenient manner therefrom or from the water-dis charge pipe 13, the manner of such support being immaterial to the present invention.

vAt or near its upper end. the pipe 27 is provided with a supply pipe 29, which leads into the lower part of a lubricant tank 30, preferably below a screen 31 provided in such tank to strain the lubricant which enters the pipe 29. rl`he discharge. chamber 26 is connected to the lower end of a lubricantthe upper end of which leads into the tank 30, preferably above the screen 31, and is preferabiy provided with a regulating valve 33 at some accessible point. In addition to the lubricant-return pipe 32, a pipe 3e is also connected to the discharge chamber 2G. preferably through a check valve 35 which permits dow from the discharge chamber to the pipe 34 but prevents it from the pipe 34 to the discharge chamber. The pipe 34s leads to the space 23, which is in communication with the upper end of the bearing 17.

In operation, the shaft 16 is rotated in the usual manner, and the runners 15 and 25 thereon operate to more by centrifugal force the liquids in which theyare immersed. The runner 15 moves witer upward through the pipe 13 in the usual manner. The runner circulates lubricant from the tank 30 through the pipes 29 and QT, to lubricute the bearings 28 and i8, drawing such liquid into the intake side of the runner and discharging it into the discharge chamber 26. From the discharge chamber 26, the liquid has two paths, one Leading upward by the pipe 32 to the tank SBO, to return to such tank most of tue lubricant which was drawn therefrom, and the other by the pipe di to the sp ce E53, to force lubricant positively throu i the main pump bearing l?, rhis i' escapes to some into c and is carried upwari with team of water. lach'fiow a the bearing pipe @mpgs chamber 2G is prevented by the check valve 85. The outlet from the discharge chamber 26 through the pipe 34 to the space 23 is preferably smaller than that to the pipe 3Q, so that a relatively small amount of lubricant is forced through the bearing 17 and the greater part of the lubricant is returned by the pipe 32 to the tank 30. By manipulating the valve 33, it is possible to cut down the flow through the pipe 32 and force more lubricant through the bearing 17, or vice versa. as conditions may require.

I claim as my invention:

l. In a deep-well pump, the combination ot a shaft extending down into the well, a rotary pump in the weil and having a runner connected to said shaft, a water-discharge pipe extending up from said pump around said shaft, a main pump bearing above. the ruimer on said shaft, a lubricantpump having a runner above said main pump bearing, a lubricarit-conducting pipe surrounding said shaft and extending upward from the inlet of said lubricant pump, and a connection from the discharge ot said lubricant pump to said main bearing.

2. In a deep-well pump, the combination of a shaft extending down into the well, a rotary pump in the well and having a runner connected to said shaft, a water-discharge pipe extending up from said pump,a main pump bearing above the runner on said shaft, a lubricant-pum having a runner above said main pump caring, a lubricant-cenducting pipe surrounding said shaft and extending upward -from the inlet of said lubricant pump, and a connection from the discharge Aot said lubricant pump to said main bearing.

3. In a deep-well pump, the combination of a shaft extending down into the well, a rotarypump in the well and having a runner connected to said shaft, a water-discharge pipe extending up from said pump, a main pump bearing above the runner on said sha ft, a lubricant-pump having a runner above said main pump bearing, a plate having a packing around said shaft and separating said bearing from said lubricant-pump, a lubricant-conducting pipe surrounding said shaft and extending upward from the inlet of said lubricant pump, and a connection leading from the discharge of said lubricant pump to a point between said plate and said main bearing.

4. In a deep-well pump, the combination ot' a shaft extending down into the well, a rotary pump in the well and having a runner connected to said shaft, a water-discharge pipe extending up :trom said pump, a main pump bearing above the runner on said shaft, a lubricantpump having a runner above said main pump caring, a lubricant-conducting pipe surrounding said shaft and extending upward from said lubricant pump, a second lubricant-conducting pipe extending upward from said lubricant pump, a lubricant tank t0 which the upper ends of both said lubricant-conducting pipes are connected, the lower ends of said two lubricant-conducting pipes being connected respectively to the intake and the discharge ot said lubricant pump, and a Vconnection from the discharge of said lubricant pump to said main pump bearing.

5. In a deep-well pump, the combination of a shaft extending down into the well, a rotary pump in the well and having a runner-connected to said shaft, a water-discharge pipe extending up from said pump, a main pump bearing above the runner on said shaft, a lubricant-pump having a runner above said main pump bearing, a plate having a packing around said shaft and separating said bearing from said lubricantpump, a lubricant-conducting pipe surrounding said shaftand extending upward from said lubricant pump, a second lubricantconducting pipe extending upward from said lubricant pump, a lubricant tank to which the upper ends of both said lubricant-conducting pipes are connected, the lower ends of said two lubricant-conducting pipes being connected respectively to the intake and the discharge of said lubricant pump, and a connection leading from the discharge of said lubricant ump to a point between said plate and said main bearing.

6. In a deep-well pump, the combination of a shaft extending down into the well, a rotary pump in the well and having a runner connected to said shaft, a water-discharge pipe extending up from said pump, a main pump bearing above the runner on said shaft, a lubricant-pump aving a runner above said main pump bearing, a lubilicant-conducting pipe surrounding said shaft and extending upward from the inlet of said lubricant pump, a connect-ion from the discharge of said lubricant pump to said main bearing, and a check valve in said lastnamed connection for preventing flow from the `main bearing to said discharge.

7. In a deep-well pump, the combination of a shaft extending down into the well, a rot-ary pump in the well and having a runner connected to said shaft, a water-dis charge pipe extending up from, said pump, a main pump bearing above the runner on said shaft, a lubricant-pumpy having a runner above said main pump bearing, a lubricantconducting pipe surrounding said shaft and extending upward from said lubricant pump, a second lubricant-conducting pipe extending upward from said lubricant pump, a lubricant tank to which the upper ends of both said lubricant-conducting pipes are connected, the lower ends of said two lubricant-conducting pipes being connected respectively to the intake and the discharge 'of said lubricant pump, a connection from the discharge of said lubricant pump to said1 main pump bearing, and a check valve in said last-named connection.

8. In a deep-Well pump, the combination of a shaft extending down into the well, a

rotary pump in the Well and having a run-l ner connected to said shaft, a water-discharge pipe extending up from said pump, a main pump bearing above the runner on said shaft, a lubricant-pump having va run ner above said main pump bearing, a lubricant-conducting pipe surrounding said shaft and extending upward from said lubricant pump, a second lubricant-conducting pipe extending upward from 5 said lubricant pump, a lubricant tank to which the upper ends of both said lubricant-conducting pipes are connected, the lower ends of said two lubricant-.conducting pipes being connected respectivel to the intake and the discharge of said lu ricant pump, and a connection from the discharge of said lubricant pump to said main pump bearing, said last-named connection being relatively restricted.

9. In a deep-Well pump, the combination of a shaft extending downinto the well, a

rotary pump in the well and having a runner connected to said shaft, a Water-discharge pipe extending up from said pump, a main pump bearing above the runner on said shalt, a lubricant-pump havinga runner above said main 'pump bearing, a lubricant-conducting pipe surrounding said shaft and extending upward from said lubricant pump, a second lubricant-conducting pipe extending upward from said lubricant pump, a lubricant tank to which the upper ends of both said lubricant-conducting pipes 'are connected, the lower ends of said two lubricant-conductinf pipes being connected respectively to the intake and the discharge of said lubricant pump, a connection from the discharge of said lubricant pump to said main pump bearing, and means for controlling the relative sizes of the two connections leading from the outletof saidA lubricant pump..

In witness whereof I have hereunto set my hand at Anderson, Indiana, this 26th day of October, A. D. one thousand nine hundred and twenty.

VICTOR SCHLEYER. 

